To which subsets of the real numbers does the number belong?
To which subsets of the real numbers does the number belong?



The perimeter of the rectangle is 64 in. Find the vaue of x.

Nicole wants to make a 16% saline
solution. She has already poured 2 fl. oz.
of pure water into a beaker. How many fl.
oz. of a 20% saline solution must she add
to this to create the desired mixture?
Evan uses 1 fl. oz. of an alcohol solution and mixes
with 3 fl. oz. of a 86% alcohol solution to
make a 77% alcohol solution. Find the
percent concentration of the first solution.
What is the solution of the equation?
Just type the numerical solution.
4 ( x + 2) + 2x = 4 + 5x